Home / 621,835.20-932,522.40-201,124.80

Finding the Fourth Proportional to 621,835.20, 932,522.40 and 201,124.80

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Solution

The fourth proportional to 621,835.20, 932,522.40 and 201,124.80 is: 301,612.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,835.20 : 932,522.40 = 201,124.80 : x
  2. Step 2: Convert to fraction form
    621,835.20/932,522.40 = 201,124.80/x
  3. Step 3: Cross multiply
    621,835.20x = 932,522.40 × 201,124.80
  4. Step 4: Simplify right side
    621,835.20x = 187,553,381,195.52
  5. Step 5: Solve for x
    x = 187,553,381,195.52/621,835.20
  6. Step 6: Final answer
    x = 301,612.68

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.